Level switch Original operating manual Series Version BA-2022.10.26 EN STÜBBE GmbH & Co. KG Print-No. 302 499 Hollwieser Straße 5 32602 Vlotho TR MA DE Rev001 Germany Phone: +49 (0) 5733-799-0 Fax: +49 (0) 5733-799-5000 E-mail: contact@stuebbe.com Internet: www.stuebbe.com Subject to technical modifications. Read carefully before use.
About this document About this document Other applicable documents This manual: • is part of the equipment To download: Resistance Guide • applies to all series referred to Chemical resistance of the materials • describes safe and proper operation during all operating used phases www.stuebbe.com/pdf/300051.pdf...
General safety instructions General safety instructions Qualified personnel • Make sure all personnel tasked with work on the device have read and understood this manual and all other appli- The manufacturer accepts no liability for damages caused cable documents, especially the safety, maintenance and by disregarding any of the documentation.
Transport, Storage and Disposal Layout and Function Transport, Storage and Disposal Type plate Unpacking and inspection on delivery NIS 4 1. Unpack the device when received and inspect it for trans- port damage and completeness. Schaltleistung -100 mA/24 VAC | -30mA/24 VDC 2.
Installation and connection Disposal Preparation of the device Plastic parts can be contaminated by poisonous or radioac- 5.2.1 Connecting the immersion tubes tive media to such an extent that cleaning will not be suffi- Connection types: cient. – PVC socket end for solvent welding –...
Installation and connection 5.2.2 Setting the switching points 5.2.3 Application examples for the variants NIS 1 to NIS 4 NIS 1 Fig. 5 Switching point for NIS 1 L1 switches the pump off when the maximum fill level (Max) is reached.
Commissioning Install device NIS 3 WARNING Risk of injury and poisoning due to medium spraying out! Use personal protective equipment when carrying out any work on the fitting. The device installation is complete. The device is prepared. Screw in the threaded inserts so that the device when mounted in the container is perpendicular to the surface of the media.
Maintenance Maintenance 7.2.2 Replacement parts and return 1. Have the following information ready to hand when order- spare parts (→ 3.1 Type plate, Page 5 ). WARNING – Device type – ID number Risk of injury and poisoning due to hazardous media and –...
Appendix Troubleshooting WARNING Risk of injury and poisoning due to hazardous media liq- uids! Use personal protective equipment when carrying out any work on the device. Error Possible cause Corrective action Device does not trip The hole for communication between Clean the hole or drill it.
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